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Typical line of defense. When get called out as a leftist just lie and, pretend you aren’t.
It’s all you can do when you’re a know-nothing leftist (redundant) faced with having to respond to someone that is reasonable and states the truth.
Oh, and call them stupid or uneducated or some-such. It’s silly, and never convinces anyone, but all the other lefties will give you “likes” and whatnot.